JP2024506743A - Composition - Google Patents

Abstract

The present invention relates to compositions containing at least one light-emitting moiety.

Description

Field of the Invention The present invention relates to photoreactive compositions, layers, color conversion devices, processes for making color conversion devices, optical devices containing at least one color conversion device, color METHODS AND USE OF COMPOSITIONS FOR MAKING CONVERSION DEVICES.

Background technology
WO 2017/054898 A1 contains red-emitting nanocrystals, a wetting agent/dispersant, propylene glycol monomethyl ether acetate as a solvent, an acrylic polymer mixture containing acrylic units containing acid groups and silane-modified acrylic units. A composition is described.
WO 2019/002239 A1 discloses compositions comprising semiconducting luminescent nanoparticles, a polymer, and a (meth)acrylate such as 1.4. cyclohexanedimethanol-monoacrylate with a high viscosity of approximately 90 cp.

Patent literature
1. WO 2017/054898 A1
2. WO 2019/002239 A1

SUMMARY OF THE INVENTION However, the inventors have newly discovered that there still exist one or more substantial problems that would be desirable to improve, as listed below.

Improved uniform dispersion of light emitting moieties in the composition, improved uniform dispersion of scattering particles in the composition, preferably improved uniform dispersion of both light emitting particles and scattering particles, and more. Improved homogeneous dispersion, preferably without solvent, of emitter and/or scattering particles; composition with lower viscosity suitable for inkjet printing, preferably high loading emitter and/or scatterer Compositions that can maintain a lower viscosity even when mixed in particles, still more preferably without solvent; compositions that have a lower vapor pressure for uniform printing over large areas; inkjet printing New composition, improved QY and/or EQE of the emissive part in the composition, improved QY of the emissive part after printing to achieve no residue around the inkjet printing nozzle during/after printing and/or EQE; improved thermal stability; ease of clogging-free printing in printing nozzles; ease of handling of the composition, improved printing properties; simple fabrication process; improved absorbance of blue light ; improved solidity of layers made from the composition after inkjet printing;

The inventors aimed to solve one or more of the problems mentioned above.
So, at least;
i) reactive monomers, preferably those monomers having one or more functional groups, more preferably (meth)acrylate monomers;
ii) light emitting part; and
iii) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms; a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms; to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, and preferably the alkyl, alkenyl and/or alkoxy groups are substituted. Preferably, the chemical compound contains at least one straight or branched alkyl group, which chain contains at least one carbon-carbon double bond. , preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds , a new composition comprising said chemical compound has been found, preferably it is being of a photocurable composition.

In another aspect, the invention provides at least;
L) reactive monomers, preferably said monomers having one or more functional groups, more preferably (meth)acrylate monomers;
L2) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms a light-emitting moiety containing at least one ligand comprising a straight or branched alkoxyl group having
L3) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms A chemical compound containing a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms in the alkyl group, alkenyl group and/or alkoxy group. to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl, alkenyl and/or alkoxy group is unsubstituted. The chemical compound may be unsubstituted or unsubstituted, preferably the chemical compound contains at least one straight-chain or branched alkyl group, and preferably it consists of a photocurable composition. .

In another aspect, the invention relates to a composition comprising a polymer derived from, or derivable from, one or more of the reactive monomers of the composition of the invention.

In another aspect, the invention provides for producing a composition of the invention which comprises at least the following steps Y1 and Y2, preferably in this order, or Y3; relating to the process of;
Y1) forming a first composition by mixing at least one light-emitting moiety and a reactive monomer;
Y2) The first composition comprises at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a carbon By mixing with chemical compounds containing straight-chain or branched alkoxyl groups having from 1 to 45 atoms (preferably said alkyl, alkenyl and/or alkoxy groups having from 10 to 35 carbon atoms) , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl group, alkenyl group and/or Alkoxy groups may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, where the chain has at least one carbon-carbon Contains double bonds, preferably the chain has 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. containing double bonds), forming a composition; or
Y3) At least one light-emitting moiety and a reactive monomer can be combined with at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkyl group having 1 to 45 carbon atoms, by mixing with a chemical compound containing an alkenyl group or a straight-chain or branched alkoxyl group having from 1 to 45 carbon atoms (preferably said carbon atoms of the alkyl, alkenyl and/or alkoxy group). , from 10 to 35, more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, and preferably the alkyl group , alkenyl and/or alkoxy groups may be substituted or unsubstituted, preferably the chemical compound contains at least one straight-chain or branched alkyl group, wherein the chain is Contains at least one carbon-carbon double bond, preferably the chain has 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 carbon-carbon double bond. ~2 carbon-carbon double bonds), to form a composition.

In another aspect, the invention relates to an electronic device, an optical device, a sensing device, or a biomedical device, or for making an electronic device, a sensing device, an optical device, or a biomedical device. of the composition of the present invention.
In another aspect, the invention relates to a layer containing the composition of the invention.

In another aspect, the invention provides at least;
I) a (meth)acrylate monomer (preferably it is obtained or can be obtained from a (meth)acrylate monomer in the composition of the invention);
II) light emitting part; and
III) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, to form a composition; or a straight-chain or branched alkoxyl group having from 1 to 45 carbon atoms, preferably the alkyl, alkenyl and/or alkoxy group has from 10 to 35 carbon atoms. , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably said alkyl, alkenyl and/or or an alkoxy group may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain has at least one carbon- Contains carbon double bonds, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. It relates to a layer containing, consisting essentially of, or consisting of said chemical compound containing carbon double bonds.

In another aspect, the invention relates to a process for fabricating a layer of the invention, wherein the process comprises at least, consists essentially of, or consists of the following steps;
I) providing the composition of the invention onto a substrate, preferably
II) Curing the composition, preferably said curing is carried out by photoirradiation and/or heat treatment.
In another aspect, the invention relates to layers obtained or obtainable from the process.

In another aspect, the invention further provides a first pixel (161) partially or fully filled with a layer of the invention comprising at least a matrix material (120) containing a light-emitting portion (110); Preferably, the color conversion device (100) further comprises a bank (150) comprising at least a support medium (170). ).
In another aspect, the invention further relates to the use of an inventive composition for fabricating an inventive layer or an inventive device (100).

In another aspect, the present invention relates to a method for fabricating a color conversion device (100) of the present invention, comprising at least the following steps, preferably in this order, or consisting essentially of the following steps: or consisting of said steps;
Xi) providing the bank composition onto the surface of the support medium;
xii) curing the bank composition;
xiii) applying photopatterning to the cured composition to create banks and patterned pixel areas;
xiv) providing the composition of the invention, preferably by ink jetting, to at least one pixel area;
Xv) Curing the composition. Preferably, the color conversion device (100) further contains a support medium (170).

In another aspect, the invention further relates to a color conversion device (100) obtainable or obtainable from the method of the invention.
In another aspect, the invention also provides an optical device (300) containing at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light. It also relates to the use of the color conversion device (100) of the invention in.

In another aspect, the invention provides at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light, and a color conversion device (320, 420, 520) of the invention. 100).
Further advantages of the invention will become apparent from the detailed description below.

Drawing description
Figure 1: shows a schematic cross-sectional view of one embodiment of a color conversion film (100). Figure 2: shows a schematic top view of another embodiment of the color conversion film (100) of the present invention. Figure 3: shows a schematic cross-sectional view of one embodiment of an optical device (300) of the invention. Figure 4: shows a schematic cross-sectional view of another embodiment of an optical device (300) of the invention. Figure 5: shows a schematic cross-sectional view of another embodiment of an optical device (300) of the invention.

List of quotation marks in Figure 1
100. color conversion device
110. Light emitting part
110R. Light emitting part (red)
110G. Light emitting part (green)
120. matrix material
130. Light scattering particles (optional)
140. Colorant (optional)
140R. Colorant (red) (optional)
140G. Colorant (green) (optional)
140B. Colorant (blue) (optional)
150. bank
161. 1st pixel
162． 2nd pixel
163. 3rd pixel
170． Support medium (substrate) (optional)

List of quotation marks in Figure 2
200. color conversion film
210R. Pixel (red)
210G. Pixel (green)
210B. Pixel (blue)
220. bank

List of quotation marks in Figure 3
300. optical device
100. color conversion device
110. Light emitting part
110R. Light emitting part (red)
110G. Light emitting part (green)
120. matrix material
130. Light scattering particles (optional)
140. Colorant (optional)
140R. Colorant (red) (optional)
140G. Colorant (green) (optional)
140B. Colorant (blue) (optional)
150． bank
320． light modulator
321. polarizer
322. electrode
323． liquid crystal layer
330. light source
331． LED light source
332． Light guide plate (optional)
333. Light emission from light source (330)

List of quotation marks in Figure 4
400. optical device
100. color conversion device
110. Light emitting part
110R. Light emitting part (red)
110G. Light emitting part (green)
120. matrix material
130. Light scattering particles (optional)
140. Colorant (optional)
140R. Colorant (red) (optional)
140G. Colorant (green) (optional)
140B. Colorant (blue) (optional)
150. bank
420. light modulator
421. polarizer
422. electrode
423. liquid crystal layer
430. light source
431. LED light source
432. Light guide plate (optional)
440. color filter
433. Light emission from light source (330)

List of quotation marks in Figure 5
500. optical device
100. color conversion device
110. Light emitting part
110R. Light emitting part (red)
110G. Light emitting part (green)
120. matrix material
130. Light scattering particles (optional)
140. Colorant (optional)
140R. Colorant (red) (optional)
140G. Colorant (green) (optional)
140B. Colorant (blue) (optional)
150． bank
520. Light emitting device (for example, OLED)
521． TFT
522． Electrode (anode)
523． base body
524. Electrode (cathode)
525. Emissive layer (for example, OLED layer(s))
526． Light emission from light emitting device (520)
530. Optical layer (for example, polarizer) (optional)
540. color filter

Definition of Terms As used herein, symbols, units, abbreviations, and terms have the following meanings, unless specified otherwise.

As used herein, the singular includes the plural and "one" or "that" means "at least one" unless specifically stated otherwise. In this specification, unless otherwise specified, elements of a concept may be expressed by more than one species, and when amounts (eg, weight % or mol %) are stated, the sum of the multiple species is meant. "And/or" includes all combinations of the elements as well as the singular use of the elements.

When numerical ranges are indicated herein using "to" or "to," the endpoints are inclusive and the units are common. For example, 5 to 25 mol% means 5 mol% or more and 25 mol% or less.

As used herein, hydrocarbon is meant to include carbon and hydrogen, and optionally oxygen or nitrogen. Hydrocarbyl group means a monovalent or divalent or higher valence hydrocarbon. As used herein, aliphatic hydrocarbon means a linear, branched or cyclic aliphatic hydrocarbon, and an aliphatic hydrocarbon group is monovalent or divalent or higher valence. means an aliphatic hydrocarbon. Aromatic hydrocarbon means a hydrocarbon containing an aromatic ring which not only contains an aliphatic hydrocarbon group as an optional substituent but also may be fused with an alicyclic ring. Aromatic hydrocarbon group means a monovalent or divalent or higher valence aromatic hydrocarbon. Further, an aromatic ring means a hydrocarbon containing a conjugated unsaturated ring structure, and an alicyclic ring means a hydrocarbon having a ring structure but not containing a conjugated unsaturated ring structure.

In this specification, alkyl means a group obtained by removing any one hydrogen from a linear or branched saturated hydrocarbon, and includes linear alkyl and branched alkyl. , Cycloalkyl means a group obtained by removing any one hydrogen from a saturated hydrocarbon containing a cyclic structure, and optionally includes a linear or branched alkyl as a side chain in the cyclic structure. do.

As used herein, aryl means a group obtained by removing any one hydrogen from an aromatic hydrocarbon. Alkylene means a group obtained by removing any two hydrogens from a linear or branched saturated hydrocarbon. Arylene means a hydrocarbon group obtained by removing any two hydrogens from an aromatic hydrocarbon.

As used herein, when a polymer has multiple types of repeating units, these repeating units are copolymerized. These copolymers are alternating copolymerization, random copolymerization, block copolymerization, graft copolymerization, or a mixture thereof.

According to the present invention, the term "(meth)acrylate polymer" means a methacrylate polymer, an acrylate polymer or a combination of a methacrylate polymer and an acrylate polymer.

The term "radiation" means the emission of electromagnetic waves due to electronic transitions in atoms and molecules.
Herein, degrees Celsius is used as a temperature unit. For example, 20 degrees means 20 degrees Celsius.

DETAILED DESCRIPTION OF THE INVENTION In accordance with the present invention, in one aspect, a composition comprises at least the following:
i) reactive monomers, preferably those monomers having one or more functional groups, more preferably (meth)acrylate monomers;
ii) light emitting part; and
iii) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched alkenyl group having 1 to 45 carbon atoms; A chemical compound containing a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms in the alkyl group, alkenyl group and/or alkoxy group. to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl, alkenyl and/or alkoxy group is unsubstituted. Preferably, the chemical compound contains at least one straight-chain or branched alkyl group, which chain contains at least one carbon-carbon double bond; Preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. Comprising, consisting essentially of, or consisting of said chemical compounds.

In another aspect, the invention provides at least;
L) reactive monomers, preferably said monomers having one or more functional groups, more preferably (meth)acrylate monomers;
L2) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms; a light-emitting moiety containing at least one ligand comprising a linear or branched alkoxyl group; and
L3) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms; to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl, alkenyl and/or alkoxy group is unsubstituted. The chemical compound may be unsubstituted or unsubstituted, preferably the chemical compound contains at least one straight-chain or branched alkyl group, and preferably it consists of a photocurable composition. .

In a preferred embodiment of the present invention, the number of carbon atoms of the alkyl group, alkenyl group, and alkoxy group of the ligand with respect to the number of carbon atoms of the alkyl group, alkenyl group, and alkoxy group of the chemical compound satisfies the following formula (Q). and preferably the chain contains at least one carbon-carbon double bond, more preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds. Contains double bonds, even more preferably 1 to 2 carbon-carbon double bonds.
Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the ligand < Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the chemical compound - (Q)

Preferably, the number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the chemical compound is 1 to 20 larger than the number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the ligand, and more preferably 3 to 15 larger. , more preferably 5 to 12 larger, even more preferably said group contains at least one carbon-carbon double bond, even more preferably said at least one carbon-carbon double bond in the group of chemical compounds. The bonding position is located outside the CH3 end of the ligand (toward the -CH3 end of the group). In other words, the length of the group of the chemical compound is longer than the length of the group of the ligand, and preferably the position of the at least one carbon-carbon double bond in the group of the chemical compound is longer than the length of the group of the ligand. Located on the outside (further) of the edge.

It is believed that the longer length of the chemical compound leads to improved dispersion of the light emitting moieties and/or scattering particles.
If the carbon-carbon double bond is placed outside (further away) from the end of the ligand, creating a steric effect in the chemical compound, then the alkyl, alkenyl, or alkoxy group of the chemical compound is Can be distributed (cannot be aligned in the same direction). This may in turn lead to better compatibility/interaction with reactive monomers.

- Chemical Compounds Consequently, chemical compounds may be preferred to control the viscosity/solubility of the composition. It is more preferred to prevent an increase in the viscosity of the composition and/or to maintain good solubility of the photoluminescent moiety in the composition during long-term storage.
Additionally, it is believed that one or more of the carbon-carbon double bonds in the chain may lead to lower viscosity and improved dispersibility of the light-emitting moiety and/or scattering particles in the composition.

In a preferred embodiment of the invention, the chemical compound is a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, a phosphonic acid group. further comprising at least one group selected from one or more members of the group consisting of, preferably the group is a phosphate group, a phosphonate group, a thiol group, a carboxyl group or a combination of any of these, more preferably It is a carboxyl group.

Phosphonate groups, thiol groups, carboxyl groups, or any combination of these are also considered more preferred, as they provide better attachment to the outermost surface of the emissive part of the inorganic part (such as the surface of the quantum material of the inorganic part). This is because it has adhesive ability.

More preferably, the chemical compound is represented by the following chemical formula (X ^A ).
ZY - (X ^A )
During the ceremony
Z is *-R ^x1 or
However, here "*" represents the connection point to the symbol Y in the formula, and R ^x1 is a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a hetero A group selected from one or more members of the group consisting of a ring group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, and preferably the group is a phosphonate group, a thiol group, a carboxyl group, or any one of these. more preferably it is a carboxyl group; and
R ^x2 is one or more members of the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid. preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group;
Y is a straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched alkenyl group having 1 to 45 carbon atoms Straight-chain or branched alkoxyl groups having atoms, preferably alkyl, alkenyl and/or alkoxy groups having from 5 to 35 carbon atoms, more preferably from 10 to 25 carbon atoms. , even more preferably from 12 to 24, even more preferably from 14 to 20, and preferably the alkyl group may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C =S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a , and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or _NO2 ,
R ^a on each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl or alkoxy group having from 3 to 40 carbon atoms, from 5 to an aromatic ring system with 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I even two or more adjacent substituents R ^a may also here together form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system; .
wherein Y contains at least one carbon-carbon double bond, preferably the chain has 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds in the chain. bonds, even more preferably 1 to 2 carbon-carbon double bonds, and preferably the chemical compounds are 7-docosenoic acid, myristoleic acid, palmitoleic acid, elaidic acid, vaccenic acid, gadoleic acid, eicosadienoic acid. , docosadienoic acid, a-linolenic acid, Mead acid, erucic acid, or nervonic acid, more preferably it is selected from the group consisting of vaccenic acid, gadoleic acid, eicosadienoic acid, docosadienoic acid, a-linolenic acid, Mead acid, It is selected from erucic acid, or nervonic acid, even more preferably it is selected from eicosadienoic acid, docosadienoic acid, a-linolenic acid, Mead acid, erucic acid, or nervonic acid.

In a preferred embodiment of the invention, the ratio of the total weight of the chemical compound to the total weight of the luminescent part is from 0.6:40 to 1:3, preferably from 1:40 to 1:2, more preferably from 1.5:40 to 1: in the case where the luminescent part is an inorganic luminescent material, the ratio of the weight of the chemical compound:the weight of the inorganic photoluminescent material of the inorganic part ranges from 0.003 to 3.2, preferably from 0.006 to 2.8, and more. Preferably it is in the range from 0.015 to 1.3.

Consequently, it is considered highly preferable that the weight ratios of the chemical compounds control the viscosity/solubility of the composition. It is then highly preferred to prevent an increase in the viscosity of the composition and/or to maintain good solubility of the photoluminescent moiety in the composition during long-term storage.

- Reactive Monomer Lower viscosity is believed to be important for making low viscosity compositions suitable for inkjet printing. Therefore, (meth)acrylate monomers having viscosity values within the above-mentioned parameter ranges are particularly suitable for making inkjet printing compositions. By using these (meth)acrylate monomers in the composition, when mixed at high loading with another material such as semiconducting luminescent nanoparticles, the composition becomes suitable for inkjet printing. lower viscosities within the normal range can still be maintained.

In a preferred embodiment of the invention, the boiling point (B.P.) of the reactive monomer is greater than or equal to 250°C, preferably from 250°C to 350°C, and even higher for large area uniform inkjet printing. More preferably, the temperature range is from 280°C to 350°C, and even more preferably from 300°C to 348°C.

The high boiling point is also important for making compositions for large area uniform printing that have a lower vapor pressure (preferably less than 0.001 mmHg), and is important for producing compositions for large area uniform printing. To make compositions suitable for inkjet printing, a viscosity value of 25 cP or less at 25 °C and a A reactive monomer, preferably a (meth)acrylate monomer, having a boiling point of at least 250°C or above (preferably in the range 250°C to 350°C, more preferably 300°C to 348°C), more preferably a (meth)acrylate monomer, more preferably a It is believed that preference is given to using (meth)acrylate monomers of I), (II) and/or (III).

Here, the term "(meth)acrylate" is a general term for acrylate and methacrylate. According to the invention, the term "(meth)acrylate monomer" therefore means a methacrylate monomer and/or an acrylate monomer.

According to the invention, the BP can be estimated by known methods, such as those described in Science of Petroleum, Vol. II. p. 1281 (1398).
According to the invention, any type of publicly available acrylates and/or methacrylates represented by formula (I) or (II) may be preferably used.

In particular, in the first aspect, publicly available acrylates and/or methacrylates having a viscosity value at 25° C. below 25 cP, represented by the chemical formulas (I), (II) and/or (III); Any type of can be used.

Thus, according to the invention, the reactive monomers of the composition are preferably selected from mono-(meth)acrylate monomers, di-(meth)acrylate monomers or tri-(meth)acrylate monomers ( A meth)acrylate monomer, more preferably it is a di-methacrylate monomer or di-acrylate monomer, tri-methacrylate monomer, tri-acrylate monomer, even more preferably it has the following chemical formula ( II);
X ³ is an unsubstituted or substituted alkyl group, aryl group, or alkoxy group;
Preferably, the symbol X ³ is
, where the "*" on the left side of the formula represents the point of attachment to the terminal group C=CR ⁵ of formula (I);
l is 0 or 1;
R ⁵ is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ⁶ is a linear alkylene or alkoxylene chain having 1 to 25 carbon atoms, preferably R ⁶ has 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms A linear alkylene chain or alkoxylene chain,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a may be replaced by and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ⁷ is a linear alkylene or alkoxylene chain having 1 to 25 carbon atoms, preferably R ⁷ has 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms A linear alkylene chain or alkoxylene chain having
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a may be replaced by and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ^a at each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl group or an alkoxy group having from 3 to 40 carbon atoms, an aromatic ring system with 5 to 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I two or more adjacent substituents R ^a may here also form together a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system;
Represented by

In a preferred embodiment, the composition further comprises a (meth)acrylate monomer represented by the following chemical formula (I) and/or a (meth)acrylate monomer represented by the following chemical formula (III);
During the ceremony
X ¹ is an unsubstituted or substituted alkyl group, aryl group, or an alkoxy group or an ester group;
X ² is an unsubstituted or substituted alkyl group, an aryl group, or an alkoxy group or an ester group;
R ¹ is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ² is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
Preferably, the symbol X ¹ is
, where the "*" on the left side of the formula represents the point of attachment of the terminal group C=CR ¹ of formula (I) to the carbon atom, and the "*" on the right side of the formula (I) Symbol X represents the connection point to ² ;
n is 0 or 1;
Preferably, the symbol X ² is
, where the "*" on the left side of the formula represents the point of attachment of the symbol X ¹ of formula (I) to the carbon atom, and the "*" on the right side represents the point of attachment of the symbol =Represents the connection point to CR ² ;
m is 0 or 1;
Preferably, at least m or n is 1;
R ³ is a linear alkylene or alkoxylene chain with 1 to 25 carbon atoms, a cycloalkane with 3 to 25 carbon atoms, or an aryl group with 3 to 25 carbon atoms; , preferably R ³ is a linear alkylene or alkoxylene chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ⁴ is a linear alkylene or alkoxylene chain with 1 to 25 carbon atoms, a cycloalkane with 3 to 25 carbon atoms, or an aryl group with 3 to 25 carbon atoms; , preferably R ⁴ is a linear alkylene or alkoxylene chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ^a on each occurrence, identically or differently, is D, or an alkyl group having 1 to 20 carbon atoms, a cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, 5 to 60 an aromatic ring system with carbon ring atoms of , or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atoms may be replaced by D, F, Cl, Br, I; Two or more adjacent substituents R ^a may here also form with each other a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system;
In the formula, R ⁹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (IV)
is a (meth)acrylic group represented by;
R ¹⁰ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (V)
is a (meth)acrylic group represented by;
R ¹¹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (VI)
is a (meth)acrylic group represented by;
where R ⁸ , R ^8a , R ^8b and R ^8c are each independently or dependently on each other at each occurrence H or CH ₃ ;
In the formula, at least one of R ⁹ , R ¹⁰ , and R ¹¹ is a (meth)acrylic group, preferably two of R ⁹ , R ¹⁰ , and R ¹¹ are (meth)acrylic groups, and The other one is a hydrogen atom or a linear alkyl group having 1 to 25 carbon atoms, and preferably the electric conductivity (S/ cm) is less than or equal to 1.0*10 ^-10 , preferably less than or equal to 5.0*10 ^-11 , more preferably in the range from 5.0*10 ^-11 to 1.0*10 ^-15 and even more preferably 5.0*10 ^-12 in the range from 1.0*10 ^-15 .

In a preferred embodiment, the mixing ratio of the (meth)acrylate monomer represented by the chemical formula (III) to the (meth)acrylate monomer represented by the chemical formula (II) is from 1:99 to 99:1 (formula (III) ):formula (II)), preferably it ranges from 5:95 to 50:50, more preferably it ranges from 10:90 to 40:60, even more preferably it ranges from 15:85 to 35:65 and preferably at least purified (meth)acrylate monomers represented by formula (III), (II) are used in the composition, more preferably represented by formula (III) ( Both the meth)acrylate monomer and the (meth)acrylate monomer of formula (II) are or can be obtained by purification methods.

In a preferred embodiment, the boiling point (B.P.) of the (meth)acrylate monomer represented by the chemical formula (I) and/or the chemical formula (II) is 250°C or higher, preferably the chemical formula (I) and the chemical formula (II) Both (meth)acrylate monomers represented by in range.

According to the invention, in a preferred embodiment, the viscosity of the composition is in the range of 35 cP or less at room temperature, preferably from 1 to 35 cP, more preferably from 2 to 30 cP, even more preferably from 2 to 25 cP.

According to the invention, the viscosity can be measured at room temperature with a vibratory viscometer VM-10A (SEKONIC). https://www.sekonic.co.jp/english/product/viscometer/vm/vm_series.html

- a (meth)acrylate monomer represented by formula (I) as matrix material; even more preferably, said R ³ of formula (I) and R ⁴ of formula (I) each, independently of one another, are: wherein the group may be substituted with R ^a and is preferably unsubstituted with R ^a .

Particularly preferably, said R ³ and R ⁴ of formula (I) are, at each occurrence, independently or differently selected from the following groups:
In the formula, "*" represents the connection point to ^the oxygen atom of the formula or the connection point to ^{the formula} Represents the connection point of a point or expression to X ¹ .

Even more preferably, the formula (I) is NDDA (nonanediol diacrylate; BP: 342°C), HDDMA (hexanediol dimethacrylate; BP: 307), HDDA (hexanediol diacrylate; BP: 295 ℃), or DPGDA (BP: 314℃).

- The (meth)acrylate monomer represented by the chemical formula (II) The (meth)acrylate monomer represented by the following chemical formula (II) has a viscosity that is higher than the viscosity of the (meth)acrylate monomer represented by the formula (I). It is believed to exhibit much lower viscosity values. Thus, by using the (meth)acrylate monomer represented by formula (II) in combination with the (meth)acrylate monomer represented by formula (I), much smaller Compositions with viscosity can be achieved, preferably without reducing the external quantum efficiency (EQE) value.

It is believed that the combination may result in a low viscosity composition containing a large amount of another material (such as a highly loaded semiconducting luminescent nanoparticle). It is therefore particularly suitable for inkjet printing when the composition includes other materials.

In a preferred embodiment of the present invention, the boiling point (B.P.) of the (meth)acrylate monomer represented by the chemical formula (II) is 250° C. or higher for uniform inkjet printing over a large area, preferably The (meth)acrylate monomer represented by (II) can be used at temperatures above 250°C, more preferably from 250°C to 350°C, even more preferably from 280°C to 350°C, even more preferably from 300°C to 348°C. It is within the range of

In a further preferred embodiment of the present invention, the boiling point (B.P.) of the (meth)acrylate monomer represented by the chemical formula (I) and/or the boiling point (B.P.) of the (meth)acrylate monomer represented by the chemical formula (II) B.P.) is heated at 250°C or higher for uniform inkjet printing over a large area, and preferably both the (meth)acrylate monomers represented by chemical formula (I) and chemical formula (II) are heated at 250°C or higher. more preferably from 250°C to 350°C, even more preferably from 280°C to 350°C, even more preferably from 300°C to 348°C.

Even more preferably, said R ⁷ of formula (II) is, at each occurrence, independently or differently selected from the following groups, wherein the group may be substituted with R ^a , preferably R Not replaced by ^a .
In the formula, "*" represents the connection point of X ³ to R ⁶ when l is 1, and it represents the connection point of X ³ to the oxygen atom of formula (II) when n is 0. .

Even more preferably, the formula (II) is lauryl methacrylate (LM, viscosity: 6 cP, BP: 142°C) or lauryl acrylate (LA, viscosity: 4.0 cP, BP: 313.2°C).

A higher amount of (meth)acrylate monomers of formula (II) relative to the total amount of (meth)acrylate monomers of formula (I) leads to an improved EQE of the composition; A mixing weight ratio of less than 50 wt.% of the (meth)acrylate monomer represented by chemical formula (II) to the total amount of (meth)acrylate monomers represented by I) may increase the viscosity of the composition, This is considered preferable from the viewpoint of good ink jetting characteristics.

Preferably, (meth)acrylate monomers purified by using a silica column are used.
It is believed that the removal of impurities from the (meth)acrylate monomer by silica column purification leads to improved QY of the semiconducting luminescent nanoparticles in the composition.

- (Meth)acrylate monomer of formula (III) The (meth)acrylate monomer of formula (III) improves the solidity of the composition subsequently produced after inkjet printing. It is considered to be useful for
According to the invention, the publicly known (meth)acrylate monomers represented by the following chemical formula (III) can be used to improve the solidity of the layer after inkjet printing and crosslinking.

Very preferably trimethylolpropane triacrylate (TMPTA) is used as (meth)acrylate monomer of formula (III).
In a preferred embodiment of the invention, the amount of (meth)acrylate monomer of formula (III) is from 0.001 wt.% to 25 wt.%, based on the total amount of (meth)acrylate monomer in the composition. more preferably from 0.1 wt.% to 15 wt.%, even more preferably from 1 wt.% to 10 wt.%, even more preferably from 3 to 7 wt.%.

Preferably, (meth)acrylate monomers purified by using a silica column are used.
It is believed that the removal of impurities from the (meth)acrylate monomer by silica column purification leads to improved QY of the semiconducting luminescent nanoparticles in the composition.

According to the invention, preferably the composition is configured to exhibit an EQE value of 23% or more, preferably 24% or more and less than 95%.

According to the present invention, the EQE is measured at room temperature by the following EQE measurement process, which includes an integral integration with a 450 nm excitation light source coupled via an optical fiber and a spectrometer (C9920, Hamamatsu photonics). The first measurement is based on the use of a sphere and uses air as a reference to detect the incident photons of the excitation light and the incident photons from the excitation light source that have passed through the sample and emitted from the sample or test cell. It consists of a second measurement on a sample or test cell placed between the aperture of the sphere and the exit of the optical fiber before the sphere, in which the photons are detected, but in both cases the photons leaving the sphere are detected by a spectrometer. The calculation of EQE and BL is done by the following equations, and the number of photons of excitation and emission light is calculated by integration over the following wavelength range;
EQE=photon [emission light]/photon [excitation light measured in place without sample];
BL=photon [measured in place without sample]/photon [excitation light measured in place without sample];
Emitted light when green light emitting part is used: 480nm to 600nm,
Emitted light when red light emitting part is used: 560nm to 680nm
Excitation light: 430nm to 470nm.

According to the invention, in a preferred embodiment, the viscosity of the composition is in the range of 35 cP or less at room temperature, preferably from 1 to 35 cP, more preferably from 2 to 30 cP, even more preferably from 2 to 25 cP.

In a preferred embodiment of the present invention, the composition contains 10 wt% or less, more preferably 5 wt% or less of a solvent, based on the total amount of the composition, and more preferably, the composition is a solvent-free composition, preferably , the composition does not contain any one of the following solvents selected from one or more members of the group consisting of: ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, and ethylene glycol. Ethylene glycol monoalkyl ethers, such as monobutyl ether; diethylene glycol dialkyl ethers, such as diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether, and diethylene glycol dibutyl ether; propylene glycol monomethyl ether (PGME), propylene glycol monoethyl ether, and propylene Propylene glycol monoalkyl ethers, such as glycol monopropyl ether; ethylene glycol alkyl ether acetates, such as methyl cellosolve acetate and ethyl cellosolve acetate; propylene glycol monomethyl ether acetate (PGMEA), propylene glycol monoethyl ether acetate, and propylene Propylene glycol alkyl ether acetates, such as glycol monopropyl ether acetate; ketones, such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone, and cyclohexanone; alcohols, such as thiene glycol, and glycerin; esters, such as ethyl 3-ethoxypropionate, methyl 3-methoxypropionate, and ethyl lactate; and cyclic esters, such as gamma-butyro-lactone; chloroform, dichloromethane, chlorobenzene , trimethylbenzene, e.g. 1,3,5-trimethylbenzene, 1,2,4-trimethylbenzene, 1,2,3-trimethylbenzene, dodecylbenzene, cyclohexylbenzene, 1,2,3,4-tetramethylbenzene , 1,2,3,5-tetramethylbenzene, 3-isopropylbiphenyl, 3-methylbiphenyl, 4-methylbiphenyl, and dichlorobenzene. Preferably, the solvent is a propylene glycol alkyl ether. acetate, alkyl acetate, ethylene glycol monoalkyl ether, propylene glycol, and propylene glycol monoalkyl ether.

It is believed that less than 10 wt% solvent in the composition may lead to improved ink jetting and avoid more than one ink jet on the same pixel after solvent evaporation.
According to the invention, uniformity is achieved without causing any clogging in the nozzle and/or with good dispersion of semiconducting luminescent nanoparticles and/or with good dispersion of scattering particles. It is desirable not to add any solvent to achieve large area inkjet printing with improved properties.

According to the invention, preferably the composition comprises:
iii) Another light-emitting moiety different from the light-emitting moiety according to claim 1 (preferably the light-emitting moiety comprises a ligand, more preferably the light-emitting moiety is an alkyl type having 2 to 25 carbon atoms) );
iv) another (meth)acrylate monomer;
v) scattering particles, and
vi) further comprising another material selected from one or more members of the group consisting of optically transparent polymers, antioxidants, radical quenchers, photoinitiators, and/or surfactants.

In some embodiments of the invention, preferably the composition of the invention comprises:
v) scattering particles; and
vii) at least one polymer configured to enable scattering particles to be dispersed in the composition; wherein the polymer comprises at least phosphine groups, phosphine oxide groups, phosphate groups, Preferably the polymer contains phosphonate groups, thiol groups, tertiary amines, carboxyl groups, heterocyclic groups, silane groups, sulfonic acids, hydroxyl groups, phosphonic acids, or combinations thereof; Contains acid or phosphate groups.

According to the invention, the polymer, which is configured such that it can disperse scattering particles in the composition, comprises phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary At least repeating unit A comprises an amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, a phosphonic acid, or a combination thereof, preferably repeating unit A comprises a tertiary amine, a phosphine oxide group, a phosphonic acid, or a combination thereof. Contains acid or phosphate groups.
In some embodiments of the invention, repeat unit A and repeat unit B are constituent repeat units.

Even more preferably, repeating unit A has the following formula (VII):
NR ¹² R ¹³ R ¹⁴ - - (VII)
tertiary amines represented by, where R ¹² is a hydrogen atom, a linear or branched alkyl group having 1 to 30 carbon atoms, or an aryl group having 1 to 30 carbon atoms. R ¹³ is a hydrogen atom, a straight-chain or branched alkyl group having 1 to 30 carbon atoms, or an aryl group having 1 to 30 carbon atoms; R ¹² and R ¹³ may be the same or different from each other; R ¹⁴ is a single bond, a linear or branched alkylene group having 1 to 30 carbon atoms, an alkenylene group having 1 to 30 carbon atoms, 1 It is a (poly)oxaalkylene group having ~30 carbon atoms.

Even more preferably, R ¹² is a straight-chain or branched alkyl group having 1 to 30 carbon atoms; R ¹³ is a straight-chain or branched alkyl group having 1 to 30 carbon atoms. is a branched alkyl group; R ¹² and R ¹³ may be the same or different from each other.
Even more preferably, R ¹² is a methyl, ethyl, n-propyl, or n-butyl group; R ¹³ is a methyl, ethyl, n-propyl, or n-butyl group. .
According to the invention, in a preferred embodiment repeating unit A does not contain salt.

In a preferred embodiment of the invention, the polymer is a copolymer selected from the group consisting of graft copolymers, block copolymers, alternating copolymers, and random copolymers, preferably the copolymer comprises repeating unit A and any phosphine group, phosphine repeating unit B, which also does not include oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amines, carboxyl groups, heterocyclic groups, silane groups, sulfonic acids, hydroxyl groups, phosphonic acids, and combinations thereof, and more Preferably the copolymer has the following chemical formula (VIII) or (IX):
A _n - B _m -(VIII)
B _o - A _n - B _m -(IX)
a block copolymer represented by, where the symbol "A" represents the repeating unit A; the symbol "B" is taken to mean the repeating unit B; the symbols "n", "m", and "o" at each occurrence, independently or independently of each other, is an integer from 1 to 100, preferably from 5 to 75, more preferably from 7 to 50; even more preferably, the repeating unit B is (poly)ethylene, (poly)phenylene, polydivinylbenzene, (poly)ether, (poly)ester, (poly)amide, (poly)urethane, (poly)carbonate, polylactic acid, (poly)vinyl ester, (poly) ) a polymer chain selected from the group consisting of vinyl ether, polyvinyl alcohol, polyvinylpyrrolidone, cellulose, and derivatives of any of these.

In a preferred embodiment of the invention, the polymer chain of repeat unit B is polyethylene glycol.
More preferably, repeating unit B has the following chemical formula (X),
In the chemical formula (X), R ¹⁵ is a hydrogen atom or a methyl group; R ¹⁶ is an alkyl group having 1 to 10 carbon atoms; and n is an integer 1. ~5, and the "*" represents a point of attachment to another polymer repeat unit or the end of the polymer.

Even more preferably, R ¹⁵ may be a hydrogen atom or a methyl group, R ¹⁶ may be an ethyl group, and n is an integer from 1 to 5.
In some embodiments of the invention, the surface of the core of the semiconducting light-emitting nanoparticle, or the outermost surface of one or more shell layers, can be partially or completely overlaid with a polymer.
By using a ligand exchange method as described, for example, in Thomas Nann, Chem. It can be introduced onto the outermost surface of the core.

According to the invention, in some embodiments, the content of the polymer ranges from 1% to 500% by weight, more preferably from 20% to 350% by weight, with respect to the total weight of the semiconducting luminescent nanoparticles. , even more preferably in the range from 50% to 200% by weight.
In a preferred embodiment of the invention, the weight average molecular weight (Mw) of the polymer is from 200 g/mol to 30,000 g/mol, preferably from 250 g/mol to 2,000 g/mol, more preferably from 400 g/mol to 1,000 g/mol. It is within the range of
The molecular weight M _w is determined using GPC (=gel permeation chromatography) against internal polystyrene standards.

As polymers, commercially available wetting and dispersing additives which can be dissolved in non-polar and/or low polar organic solvents can preferably be used. For example, BYK-111, BYK-LPN6919, BYK-103, BYK-P104, BYK-163 ([Trademark] from BYK com.), TERPLUS MD1000 series, e.g. MD1000, MD1100 ([Trademark] from Otsuka Chemical) , Poly(ethylene glycol) methyl etheramine (Sigma-Ald 767565[TM], from Sigma Aldrich), Polyester bis-MPA dendron, 32 hydroxyl, 1 thiol, (Sigma-Ald 767115[TM], from Sigma Aldrich), LIPONOL DA-T/25 (from Lion Specialty Chemicals Co.), carboxymethylcellulose (from Polyscience, etc.), "Marc Thiry et.al., ACSNANO, American Chemical society, Vol. 5, No. 6, pp4965-4973, 2011" It is another wetting/dispersing additive disclosed in "Kimihiro Susumu, et.al., J.Am.Chem.Soc.2011, 133, pp9480-9496".

Thus, in some embodiments of the present invention, the composition comprises at least a (meth)acrylate monomer represented by formula (I), a (meth)acrylate monomer represented by formula (II), and a polymer. a (meth)acrylate monomer of formula (I), wherein the polymer is configured to disperse scattering particles in the composition; The mixing ratio of (meth)acrylate monomer:polymer ranges from 10:89:1 to 50:40:10, preferably from 15:82:3 to 30:60:10.

In some embodiments of the present invention, the composition comprises at least a (meth)acrylate monomer represented by formula (III), a (meth)acrylate monomer represented by formula (II), and a polymer comprising: (meth)acrylate monomer of formula (III): (meth)acrylate monomer of formula (II), wherein the polymer is configured to disperse scattering particles in the composition; The acrylate monomer:polymer mixing ratio ranges from 10:89:1 to 50:40:10, preferably from 15:82:3 to 30:60:10.

In some embodiments of the invention, the composition comprises at least, consists essentially of, or consists of a polymer derived or derivable from the (meth)acrylate monomer of the composition of the invention. Become.
In a preferred embodiment of the invention, the polymer comprises all (meth)acrylate monomers in the composition, for example at least the (meth)acrylate monomers of formula (I) and/or of formula (II). or may be derived from (meth)acrylate monomers.

v) Scattering Particles According to the invention, as scattering particles, common particles such as SiO ₂ , SnO ₂ , CuO, CoO, Al ₂ O ₃ TiO ₂ , Fe ₂ O ₃ , Y ₂ O ₃ , ZnO, ZnS, MgO, etc. Small particulate inorganic oxides known in the art; organic particles, such as polymerized polystyrene, polymerized PMMA; inorganic hollow oxides, such as hollow silica, or combinations of any of these; The amount of scattering particles is preferably less than or equal to 4 wt%, preferably in the range from 4 to 0 wt%, more preferably in the range from 1 to 0 wt%, and more preferably, based on the total solids content of the layer. The layer and/or composition does not contain any scattering particles.

In some embodiments of the invention, the composition comprises:
iii) at least one semiconducting luminescent nanoparticle comprising a first semiconducting nanoparticle, optionally one or more shell layers covering at least some of the first semiconducting nanoparticle, preferably the composition comprises: It has an EQE value of 23% or more, preferably 24% or more and less than 95%.
According to the invention, a wide variety of publicly known transparent polymers suitable for optical devices can preferably be used as transparent polymers, for example as described in WO 2016/134820A.

According to the present invention, the term "transparent" means that at the thickness used for the optical medium and at the wavelength or range of wavelengths used during operation of the optical medium, at least approximately 60% of the incident light means transparent. Preferably it is greater than 70%, more preferably greater than 75% and most preferably greater than 80%.
According to the invention, the term "polymer" means a material having repeating units and having a weight average molecular weight (Mw) of 1000 g/mol or more.

The molecular weight M _w is determined using GPC (=gel permeation chromatography) against internal polystyrene standards.
In some embodiments of the invention, the transparent polymer has a glass transition temperature (Tg) of greater than or equal to 70°C and less than or equal to 250°C.

Tg is determined based on the change in heat capacity observed in suggestive scanning calorimetry, as described in Rickey J Seyler, Assignment of the Glass Transition, ASTM publication code number (PCN) 04-012490-50.
For example, poly(meth)acrylates, epoxies, polyurethanes, polysiloxanes can be preferably used as transparent polymers for the transparent matrix material.

In a preferred embodiment of the invention, the weight average molecular weight (Mw) of the polymer as transparent matrix material ranges from 1,000 to 300,000 g/mol, more preferably from 10,000 to 250,000 g/mol.
According to the invention, publicly known antioxidants, radical quenchers, photoinitiators and/or surfactants may preferably be used, as described in WO 2016/134820A.

- Light emitting part (110)
In a preferred embodiment of the invention, the light emitting part (110) is an organic and/or inorganic light emitting material, preferably an organic dye, an inorganic phosphor, and/or a semiconducting material such as a quantum material. It is a luminescent nanoparticle.

In some embodiments of the invention, the total amount of the light emitting portion (110) is from 0.1 wt.% to 90 wt.%, preferably from 10 wt.% to 70 wt.%, based on the total amount of the first pixel (161). More preferably it is in the range of 30wt.% to 50wt.%.

- iii) Semiconducting luminescent nanoparticles According to the present invention, the term "semiconductor" refers to semiconducting nanoparticles with an electrical conductivity of the order of magnitude between that of a conductor (such as copper) and that of an insulator (such as glass) at room temperature. Refers to a material that has electrical conductivity. Preferably, the semiconductor is a material whose electrical conductivity increases with temperature.
The term "nanosized" means a size between 0.1 nm and 150 nm, more preferably between 3 nm and 50 nm.

Therefore, according to the present invention, the "semiconducting luminescent nanoparticles" have a size between 0.1 nm and 150 nm, more preferably between 3 nm and 50 nm, and have an electrical conductivity of a conductor (such as copper) at room temperature. and the electrical conductivity of an insulator (such as glass), preferably a semiconductor whose electrical conductivity increases with temperature and whose size is 0.1 and 150 nm, preferably between 0.5 nm and 150 nm, more preferably between 1 nm and 50 nm.

According to the present invention, the term "size" means the average diameter of the longest axis of the semiconducting nanosized luminescent particles.
The average diameter of semiconducting nanosized luminescent particles is calculated based on 100 semiconducting luminescent nanoparticles in TEM images created by Tecnai G2 Spirit Twin T-12 Transmission Electron Microscope.
In a preferred embodiment of the invention, the semiconducting luminescent nanoparticles of the invention are quantum-sized materials.

According to the present invention, the term "quantum size" means that there are no ligands or other surface modifications that can exhibit quantum confinement effects, as described for example in ISBN:978-3-662-44822-9. Refers to the size of the semiconducting material itself.
For example, CdS, CdSe, CdTe, ZnS, ZnSe, ZnSeS, ZnTe, ZnO, GaAs, GaP, GaSb, HgS, HgSe, HgSe, HgTe, InAs, InP, InPZn, InPZnS, InPZnSe, InPZnSeS, InPZnGa, InPGaS, InPGaSe, InPGaSeS, InPZnGaSeS and InPGa, InCdP, InPCdS, InPCdSe, InSb, AlAs, AlP, AlSb, Cu ₂ S, Cu ₂ Se, CuInS2, CuInSe ₂ , Cu ₂ (ZnSn)S ₄ , Cu ₂ (InGa)S ₄ , TiO Alloys of ₂ , as well as combinations of any of these may be used.

In a preferred embodiment of the invention, the first semiconducting material comprises at least one element from group 13 of the periodic table and one element from group 15 of the periodic table, preferably an element from group 13. is In, and the Group 15 element is P; more preferably, the first semiconducting material is InP, InPZn, InPZnS, InPZnSe, InPZnSeS, InPZnGa, InPGaS, InPGaSe, InPGaSeS, InPZnGaSeS, and selected from the group consisting of InPGa.

According to the present invention, the type of core shape of the semiconducting luminescent nanoparticles and the shape of the synthesized semiconducting luminescent nanoparticles are not specifically limited.
For example, platelets that are spherical, elongated, star-shaped, polyhedral, pyramid-shaped, quadrupedal, tetrahedral, etc. Shaped, conically shaped, and irregularly shaped cores and-or semiconducting luminescent nanoparticles can be synthesized.

In some embodiments of the invention, the average diameter of the core ranges from 1.5 nm to 3.5 nm.
The average diameter of the core is calculated based on 100 semiconducting luminescent nanoparticles in a TEM image created by a Tecnai G2 Spirit Twin T-12 Transmission Electron Microscope by measuring the longest axis of each single particle.

In some embodiments of the invention, the at least one shell layer comprises or consists of a first element of group 12 of the periodic table and a second element of group 16 of the periodic table, preferably a One element is Zn and the second element is S, Se, or Te; preferably, the first shell layer directly overlying the core is composed of the first element of group 12 of the periodic table and the second element of the periodic table. Preferably, the first element is Zn and the second element is S, Se, or Te.

In a preferred embodiment of the invention, at least one shell layer (first shell layer) is represented by the following formula (XI), preferably the shell layer directly covering the core is represented by the chemical formula (XI);
ZnS _x Se _y Te _z - (XI)
where 0≦x≦1, 0≦y≦1, 0≦z≦1, and x+y+z=1, preferably 0≦x≦1, 0≦y≦1, z=0, and x +y=1, preferably the shell layer is ZnSe, ZnS _x Se _y, ZnSe _y Te _z or ZnS _x Te _z .

In some embodiments of the invention, the shell layer is an alloy shell layer or a graded shell layer, preferably the graded shell layer is ZnS _x Se _y , ZnSe _y Te _z , or ZnS _x Te _z , more preferably ZnS _x Se _y .

In some embodiments of the invention, the semiconducting luminescent nanoparticles further include a second shell layer on the shell layer, preferably the second shell layer is a group 3 of group 12 of the periodic table. and the fourth element of group 16 of the periodic table, more preferably the third element is Zn and the fourth element is S, Se or Te, with the proviso that The four elements and the second element are not the same.

In a preferred embodiment of the present invention, the second shell layer has the following formula (XI'),
ZnS _x Se _y Te _z - (XI')
where 0≦x≦1, 0≦y≦1, 0≦z≦1, and x+y+z=1, preferably the shell layer is ZnSe, ZnS _x Se _y , ZnSe _y Te _z , or ZnS _x Te _z , but the shell layer and the second shell layer are not the same.

In some embodiments of the invention, the second shell layer can be an alloy shell layer.
In some embodiments of the invention, the semiconducting luminescent nanoparticles may further include one or more additional shell layers on top of the second shell layer, as a multishell.
According to the present invention, the term "multishell" refers to a stacked shell layer consisting of three or more shell layers.

For example, CdSe/CdS, CdSeS/CdZnS, CdSeS/CdS/ZnS, ZnSe/CdS, CdSe/ZnS, InP/ZnS, InP/ZnSe, InP/ZnSe/ZnS, InZnP/ZnS, InZnP/ZnSe, InZnP/ZnSe/ ZnS, InGaP/ZnS, InGaP/ZnSe, InGaP/ZnSe/ZnS, InZnPS/ZnS, InZnPS ZnSe, InZnPS/ZnSe/ZnS, ZnSe/CdS, ZnSe/ZnS, or any combination thereof may be used. Preferred are InP/ZnS, InP/ZnSe, InP/ZnSe/ZnS, InZnP/ZnS, InZnP/ZnSe, InZnP/ZnSe/ZnS, InGaP/ZnS, InGaP/ZnSe, and InGaP/ZnSe/ZnS.

Such semiconducting luminescent nanoparticles are publicly available (e.g. from Sigma Aldrich) and/or e.g. can be synthesized by the method described in .
In some embodiments of the invention, the composition comprises two or more semiconducting luminescent nanoparticles.
In some embodiments of the invention, the composition includes a plurality of semiconducting luminescent nanoparticles.

In some embodiments of the invention, the total amount of semiconducting luminescent nanoparticles is from 0.1 wt.% to 90 wt.%, preferably from 10 wt.% to 70 wt.%, more preferably from 10 wt.% to 70 wt.%, based on the total amount of the composition. It ranges from 30wt.% to 50wt.%.

- Ligands In some embodiments of the invention, optionally, the emissive moiety can be directly covered by one or more ligands or the outermost surface of the inorganic portion of the semiconducting emissive nanoparticle is , can be covered directly by the ligand. Optionally, the ligand-covered semiconducting luminescent nanoparticles can be overcoated with a polymer forming a polymer bead with the semiconducting luminescent nanoparticle(s) inside.

As ligands, phosphines and phosphine oxides, such as trioctylphosphine oxide (TOPO), trioctylphosphine (TOP), and tributylphosphine (TBP); dodecylphosphonic acid (DDPA), tridecylphosphonic acid (TDPA), octadecyl Phosphonic acids, such as phosphonic acid (ODPA), and hexylphosphonic acid (HPA); amines, such as oleylamine, dodecylamine (DDA), tetradecylamine (TDA), hexadecylamine (HDA), and octadecylamine (ODA); ), oleylamine (OLA), 1-octadecene (ODE), hexadecanethiol and hexanethiol; mercaptocarboxylic acids, such as mercaptopropionic acid and mercaptoundecanoic acid; carboxylic acids, such as oleic acid, stearic acid, myristic acid. ; acetic acid, polyethyleneimine (PEI), monofunctional PEG thiol (mPEG-thiol) or derivatives of mPEG thiol, and combinations of any of these may also be used.

Examples of such ligands are described, for example, in International Patent Application Publication No. WO 2012/059931A.

- Use of the composition In another aspect, the invention provides the use of a composition in an electronic device, an optical device, a sensing device, or in a biomedical device, or for making an electronic device, a sensing device, an optical device, or a biomedical device. Concerning the use of the composition of the invention.

- Layers containing the compositions and processes for making the layers In another aspect, the invention relates to layers containing the compositions of the invention.

In another aspect, the invention provides at least the following;
I) (meth)acrylate polymer (preferably it is or can be obtained from the reactive monomers in the composition of the invention);
II) light emitting part; and
III) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, to form a composition; or a straight-chain or branched alkoxyl group having from 1 to 45 carbon atoms, preferably the alkyl, alkenyl and/or alkoxy group has from 10 to 35 carbon atoms. , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably said alkyl, alkenyl and/or or an alkoxy group may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain has at least one carbon- Contains carbon double bonds, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. It relates to a layer containing, consisting essentially of, or consisting of said chemical compound containing carbon double bonds.

In a preferred embodiment, the layer thickness of the layer ranges from 1 to 50 um, preferably from 5 to 30 um, more preferably from 8 to 20 um, even more preferably from 10 to 15 um.

In another aspect, the invention relates to a process for fabricating a layer of the invention, wherein the process comprises at least, consists essentially of, or consists of the following steps;
I) providing the composition of the invention onto a substrate, preferably
II) Curing the composition, preferably said curing is carried out by photoirradiation and/or heat treatment.
In another aspect, the invention relates to layers obtained or obtainable from the process.

- Color conversion device(100)
a first pixel (161) partially or completely filled with a layer according to any one of claims 20 to 22 and 24, comprising at least a matrix material (120) containing a light emitting part (110); and a bank (150) comprising at least a polymeric material, preferably the color conversion device (100) further comprises a support medium (170).

- 1st pixel (161)
According to the invention, the first pixel (161) includes a matrix material (120) containing at least a light emitting part (110). In a preferred embodiment, the first pixel (161) is a solid layer obtained or obtainable by curing a composition of the invention containing at least one acrylate monomer together with at least one emissive part (110). Preferably, the curing is photocuring by light irradiation, thermal curing, or a combination of photocuring and thermal curing.

In some embodiments of the invention, the layer thickness of the pixel (161) ranges from 0.1 to 100 μm, preferably from 1 to 50 μm, more preferably from 5 to 25 μm.

In some embodiments of the invention, the color conversion device (100) further contains a second pixel (162), preferably the device (100) includes at least the first pixel (161), the second pixel ( 162), and a third pixel (163), more preferably, the first pixel (161) is a red pixel, the second pixel (162) is a green pixel, and the third pixel (163) is a blue pixel; even more preferably, the first pixel (161) contains a red light emitting part (110R), the second color pixel (162) contains a green light emitting part (110G), and The third pixel (163) does not contain any light emitting portion.

In some embodiments, at least one pixel (160) additionally includes at least one light scattering particle (130) in the matrix material (120), preferably the pixel (160) includes a plurality of light scattering particles. Contains (130).
In some embodiments of the invention, the first pixel (161) is comprised of a pixel or two or more sub-pixels configured to emit a red color when illuminated by excitation light. More preferably, the sub-pixels contain the same light-emitting portion (110).

- Matrix material(120)
In a preferred embodiment, the matrix material (120) contains a (meth)acrylate polymer, preferably a methacrylate polymer, an acrylate polymer, or a combination thereof, more preferably an acrylate polymer; The matrix material (120) is obtained or can be obtained from a composition of the invention containing at least one acrylate monomer; even more preferably, the matrix material (120) is obtained from a composition of the invention containing at least one acrylate monomer; Particularly preferably, the matrix material (120) is obtained or obtainable from a composition of the invention containing at least one di-acrylate monomer and a mono-acrylate monomer. is obtained or obtainable from the composition of the invention, preferably the composition is a photosensitive composition.

- Bank(150)
In some embodiments of the invention, the height of the bank (150) ranges from 0.1 to 100 μm, preferably from 1 to 50 μm, more preferably from 1 to 25 μm, even more preferably from 5 to 20 μm. .

In a preferred embodiment of the invention, the banks (150) are configured to determine the area of said first pixels (161), and at least some of the banks (150) are configured to determine the area of said first pixels (161). Preferably, the second polymer of the bank (150) is in direct contact with the first polymer of at least a portion of the first pixel (161).

More preferably, the bank (150) is patterned by photolithography, and the first pixel (161) is surrounded by the bank (150), preferably the first pixel (161), The second pixel (162) and the third pixel (163) are all surrounded by a photolithographically patterned bank (150).

- Process In another aspect, the invention also provides a method of the invention comprising, consisting essentially of, or consisting of at least the following steps Y1 and Y2, preferably in this order, or Y3: Also relating to the process of producing the composition;
Y1) mixing at least one light-emitting moiety and a reactive monomer to form a first composition;
Y2) The first composition comprises at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a carbon By mixing with chemical compounds containing straight-chain or branched alkoxyl groups having from 1 to 45 atoms (preferably the carbon atoms of the alkyl, alkenyl and/or alkoxy groups are from 10 to 35 , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably said alkyl, alkenyl and/or or an alkoxy group may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain has at least one carbon- Contains carbon double bonds, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. containing carbon double bonds), forming a composition; or
Y3) At least one light-emitting moiety and a reactive monomer can be combined with at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkyl group having 1 to 45 carbon atoms, by mixing with a chemical compound containing an alkenyl group or a straight-chain or branched alkoxyl group having 1 to 45 carbon atoms (preferably said carbon atom of an alkyl, alkenyl, and/or alkoxy group). ranges from 10 to 35, more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, and preferably the alkyl The groups alkenyl and/or alkoxy may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain is , at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably containing 1 to 2 carbon-carbon double bonds), forming a composition.

In a preferred embodiment of the invention, the method includes a step of purifying the reactive monomer. More preferably, said purification step is performed before step Y1) and/or Y0).
Compositional details such as "reactive monomers,""emissivemoieties," and "chemical compounds" are described above, such as in the sections on "reactive monomers,""emissivemoieties," and "chemical compounds."
Additional additives as described in the "Additional Materials" section may be mixed.

In another aspect, the invention also relates to a method for fabricating the color conversion device (100) of the invention, comprising at least the following steps, preferably in this order:
Xi) providing the bank composition onto the surface of the support medium;
xii) curing bank composition;
xiii) applying photopatterning to the cured composition to create banks and patterned pixel areas;
xiv) providing the composition of the invention, preferably by ink jetting, to at least one pixel area;
Xv) Curing the composition. Preferably, the color conversion device (100) further contains a support medium (170).

In another aspect, the invention further relates to a color conversion device (100) obtainable or obtainable from the method of the invention.
In another aspect, the invention further provides an optical device containing at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light. (300) The use of the color conversion device (100) of the present invention in (300).

Furthermore, in another aspect, the present invention further comprises: at least one functional medium (320, 420, 520) of at least one configured to modulate light or configured to emit light; The present invention relates to an optical device (300) containing a color conversion device (100) of the invention.

Preferred embodiment
1. at least;
i) reactive monomers, preferably those monomers having one or more functional groups, more preferably (meth)acrylate monomers;
ii) light emitting part; and
iii) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched alkenyl group having 1 to 45 carbon atoms; A chemical compound containing a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms in the alkyl group, alkenyl group and/or alkoxy group. to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl, alkenyl and/or alkoxy group is unsubstituted. Preferably, the chemical compound contains at least one straight-chain or branched alkyl group, which chain contains at least one carbon-carbon double bond; Preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. A composition comprising said chemical compound, preferably it consists of a photocurable composition.

2. at least;
L) reactive monomers, preferably said monomers having one or more functional groups, more preferably (meth)acrylate monomers;
L2) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms a light-emitting moiety containing at least one ligand comprising a straight or branched alkoxyl group having
L3) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms A chemical compound containing a straight-chain or branched alkoxyl group, preferably having from 10 to 35 carbon atoms, more preferably 14 carbon atoms in the alkyl group, alkenyl group and/or alkoxy group. to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably the alkyl, alkenyl and/or alkoxy group is unsubstituted. The composition comprising said chemical compound, which may be unsubstituted or unsubstituted, preferably comprises at least one straight-chain or branched alkyl group, preferably it consists of a photocurable composition.

3． The number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the ligand with respect to the number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the chemical compound satisfies the following formula (Q), and preferably the chain is , at least one carbon-carbon double bond, more preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably The composition of embodiment 2, wherein contains 1 to 2 carbon-carbon double bonds.
Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the ligand < Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the chemical compound - (Q)

Preferably, the number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the chemical compound is 1 to 20 larger than the number of carbon atoms in the alkyl group, alkenyl group, or alkoxy group of the ligand, and more preferably 3 to 15 larger. , more preferably 5 to 12 larger, even more preferably said group contains at least one carbon-carbon double bond, even more preferably said at least one carbon-carbon double bond in the group of chemical compounds. The bonding position is located outside the CH3 end of the ligand (toward the -CH3 end of the group). In other words, the length of the group of the chemical compound is longer than the length of the group of the ligand, and preferably the position of the at least one carbon-carbon double bond in the group of the chemical compound is longer than the length of the group of the ligand. Located on the outside (further away).

Four. The chemical compound is one of the members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amines, carboxyl groups, heterocyclic groups, silane groups, sulfonic acids, hydroxyl groups, phosphonic acids. further comprising at least one group selected from the above, preferably the group is a phosphate group, a phosphonate group, a thiol group, a carboxyl group or a combination of any of these, more preferably it is a carboxyl group, The composition according to any one of aspects 1 to 3.

Five. The composition of any one of embodiments 1 or 4, wherein the chemical compound is represented by the following chemical formula (X ^A ).
ZY - (X ^A )
During the ceremony
Z is *-R ^x1 or
However, here "*" represents the connection point to the symbol Y in the formula, and R ^x1 is a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a hetero A group selected from one or more members of the group consisting of a ring group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid; preferably, the group is a phosphonate group, a thiol group, a carboxyl group, or any of these. more preferably, it is a carboxyl group; and
R ^x2 is one or more members of the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid. preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group;
Y is a straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched chain having 1 to 45 carbon atoms. Branched alkoxyl groups, preferably alkyl, alkenyl and/or alkoxy groups having from 10 to 35, more preferably from 14 to 30, even more preferably 16 carbon atoms to 28, even more preferably from 19 to 26, and preferably the alkyl, alkenyl and/or alkoxy groups may be substituted or unsubstituted, and even more preferably the alkyl, alkenyl and/or alkoxy groups may be substituted or unsubstituted; Preferably said alkyl, alkenyl and/or alkoxy groups may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡ C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), may be replaced by SO, SO2, NR ^a , OS, or CONR ^a , and where one or more H atoms are replaced by D, F, Cl, Br, I, CN, or NO ₂ and preferably Y is a straight or branched alkyl group,
R ^a on each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl or alkoxy group having from 3 to 40 carbon atoms, from 5 to an aromatic ring system with 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I even two or more adjacent substituents R ^a may also here together form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system; .
wherein Y contains at least one carbon-carbon double bond, preferably the chain has 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds in the chain. bonds, even more preferably 1 to 2 carbon-carbon double bonds, and preferably the chemical compounds are 7-docosenoic acid, myristoleic acid, palmitoleic acid, elaidic acid, vaccenic acid, gadoleic acid, eicosadienoic acid. , docosadienoic acid, a-linolenic acid, Mead acid, erucic acid, or nervonic acid, more preferably it is selected from the group consisting of vaccenic acid, gadoleic acid, eicosadienoic acid, docosadienoic acid, a-linolenic acid, Mead acid, It is selected from erucic acid, or nervonic acid, even more preferably it is selected from eicosadienoic acid, docosadienoic acid, a-linolenic acid, Mead acid, erucic acid, or nervonic acid.

6. The ratio of the total weight of the chemical compound:total weight of the luminescent part is in the range from 0.6:40 to 1:3, preferably from 1:40 to 1:2, more preferably from 1.5:40 to 1:1; In the case where the light-emitting part is an inorganic luminescent material, the ratio of the weight of the chemical compound to the weight of the inorganic photoluminescent material of the inorganic part is from 0.003 to 3.2, preferably from 0.006 to 2.8, more preferably from 0.015 to 1.3. The composition of any one of embodiments 1-5 within the range.

7. The reactive monomer is a (meth)acrylate monomer selected from mono-(meth)acrylate monomers, di-(meth)acrylate monomers, or tri-(meth)acrylate monomers, more preferably it is A di-methacrylate monomer or a di-acrylate monomer, a tri-methacrylate monomer, a tri-acrylate monomer, even more preferably it has the following chemical formula (II);
represented by;
X ³ is an unsubstituted or substituted alkyl group, aryl group, or alkoxy group;
Preferably, the symbol X ³ is
, where the "*" on the left side of the formula represents the point of attachment to the terminal group C=CR ⁵ of formula (I);
l is 0 or 1;
R ⁵ is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ⁶ is a linear alkylene or alkoxylene chain having 1 to 25 carbon atoms, preferably R ⁶ has 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms A linear alkylene chain or alkoxylene chain,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a may be replaced by and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ⁷ is a linear alkylene or alkoxylene chain having 1 to 25 carbon atoms, preferably R ⁷ has 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms A linear alkylene chain or alkoxylene chain having
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a may be replaced by and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ^a at each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl group or an alkoxy group having from 3 to 40 carbon atoms, an aromatic ring system with 5 to 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I two or more adjacent substituents R ^a may also form together a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system; The composition according to any one of embodiments 1 to 6.

8. The composition of any one of embodiments 1 to 7, further comprising a (meth)acrylate monomer represented by formula (I) and/or a (meth)acrylate monomer represented by formula (III) below;
During the ceremony
X ¹ is an unsubstituted or substituted alkyl group, an aryl group, or an alkoxy group or an ester group;
X ² is an unsubstituted or substituted alkyl group, an aryl group, or an alkoxy group or an ester group;
R ¹ is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ² is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
Preferably, the symbol X ¹ is
, where the "*" on the left side of the formula represents the point of attachment of the terminal group C=CR ¹ of formula (I) to the carbon atom, and the "*" on the right side of the formula (I) Symbol X represents the connection point to ² ;
n is 0 or 1;
Preferably, the symbol X ² is
, where the "*" on the left side of the formula represents the point of attachment of the symbol X ¹ of formula (I) to the carbon atom, and the "*" on the right side represents the point of attachment of the symbol =Represents the connection point to CR ² ;
m is 0 or 1;
Preferably, at least m or n is 1;
R ³ is a linear alkylene or alkoxylene chain with 1 to 25 carbon atoms, a cycloalkane with 3 to 25 carbon atoms, or an aryl group with 3 to 25 carbon atoms; , preferably R ³ is a linear alkylene or alkoxylene chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ⁴ is a linear alkylene or alkoxylene chain with 1 to 25 carbon atoms, a cycloalkane with 3 to 25 carbon atoms, or an aryl group with 3 to 25 carbon atoms; , preferably R ⁴ is a linear alkylene or alkoxylene chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,
These may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO ₂ , NR ^a , OS, or CONR ^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ^a at each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl group or an alkoxy group having from 3 to 40 carbon atoms, an aromatic ring system with 5 to 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I two or more adjacent substituents R ^a may here also form with each other a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system. ;
During the ceremony
R ⁹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (IV)
is a (meth)acrylic group represented by;
R ¹⁰ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (V)
is a (meth)acrylic group represented by;
R ¹¹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (VI)
is a (meth)acrylic group represented by;
where R ⁸ , R ^8a , R ^8b and R ^8c are each independently or dependently on each other at each occurrence H or CH ₃ ;
In the formula, at least one of R ⁹ , R ¹⁰ , and R ¹¹ is a (meth)acrylic group, preferably two of R ⁹ , R ¹⁰ , and R ¹¹ are (meth)acrylic groups, and The other one is a hydrogen atom or a linear alkyl group having 1 to 25 carbon atoms, and preferably the electric conductivity (S/ cm) is less than or equal to 1.0*10 ^-10 , preferably less than or equal to 5.0*10 ^-11 , more preferably in the range from 5.0*10 ^-11 to 1.0*10 ^-15 and even more preferably 5.0*10 ^-12 to 1.0*10 ^-15 .

9. The (meth)acrylate monomer of formula (II) is present in the composition, and the (meth)acrylate monomer of formula (I) is The monomer mixing ratio ranges from 1:99 to 99:1 (formula (I):formula (II)), preferably from 5:95 to 50:50, more preferably from 10:90 to 40:60. and even more preferably it is from 15:85 to 35:65, preferably at least the purified (meth)acrylate monomer represented by formula (I), (II) has the composition Both the (meth)acrylate monomer of formula (I) and the (meth)acrylate monomer of formula (II) used in the product are obtained or can be obtained by a purification method. The composition according to any one of embodiments 1 to 8, wherein the composition is capable of:

Ten. The boiling point (B.P.) of the (meth)acrylate monomer represented by chemical formula (I) and/or chemical formula (II) is 250°C or higher, preferably, Both (meth)acrylate monomers have a temperature of 250°C or above, more preferably it is from 250°C to 350°C, even more preferably it is from 280°C to 350°C, even more preferably it is from 300°C to 348°C. The composition of any one of embodiments 1-9 within the range.

11. Embodiments 1 to 10, wherein the light-emitting moiety is an organic light-emitting material and/or an inorganic light-emitting material, preferably it is an inorganic light-emitting moiety, more preferably it is an inorganic light-emitting moiety that is an inorganic phosphor or a quantum material. Any one composition of. Preferably the light-emitting moiety contains a ligand attached to the outermost surface of the light-emitting moiety, more preferably the ligand is at least one linear or branched chain having from 1 to 45 carbon atoms. alkyl groups of chemical compounds, including branched alkyl groups, straight-chain or branched alkenyl groups having 1 to 45 carbon atoms, or straight-chain or branched alkoxyl groups having 1 to 45 carbon atoms; The number of carbon atoms in the alkyl group, alkenyl group, and alkoxy group of the ligand with respect to the number of carbon atoms in the group, alkenyl group, and alkoxy group satisfies the following formula (Q).
Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the ligand < Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the chemical compound - (Q)

12. The total amount of luminescent parts ranges from 0.1 wt.% to 90 wt.%, preferably from 10 wt.% to 70 wt.%, more preferably from 15 wt.% to 50 wt.%, based on the total amount of the composition. The composition of any one of embodiments 1-11.

13. According to any one of embodiments 1 to 12, the viscosity of the composition at room temperature is 35 cP or less, preferably in the range from 1 to 35 cP, more preferably from 2 to 30 cP, even more preferably from 2 to 25 cP. Composition.

14. The composition according to any one of aspects 1 to 13, comprising:
iii) another light-emitting moiety different from the light-emitting moiety of claim 1 (preferably the light-emitting moiety comprises a ligand, more preferably the light-emitting moiety has from 2 to 25 carbon atoms) (containing alkyl-type ligands);
iv) another (meth)acrylate monomer;
v) scattering particles, and
vi) another material selected from one or more members of the group consisting of optically transparent polymers, antioxidants, radical quenchers, photoinitiators, and/or surfactants.

15. The composition of any one of embodiments 1 to 14, comprising:
v) scattering particles; and
vii) at least one polymer configured to enable scattering particles to be dispersed in the composition; wherein the polymer contains at least phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups; groups, thiol groups, tertiary amines, carboxyl groups, heterocyclic groups, silane groups, sulfonic acids, hydroxyl groups, phosphonic acids, or combinations thereof, preferably the polymer contains tertiary amines, phosphine oxide groups, phosphonic acids. , or contains a phosphate group.

16. The composition according to any one of aspects 1 to 15, wherein the composition is configured to exhibit an EQE value of 23% or more, preferably 24% or more and less than 95%.

17. Based on the total amount of the composition, it contains no more than 10 wt% solvent, more preferably no more than 5 wt%, more preferably the composition is a solvent-free composition, preferably the composition comprises one of the group consisting of: does not contain any one of the following solvents selected from the above members: ethylene glycol monoalkyl ethers, such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, and ethylene glycol monobutyl ether; Diethylene glycol dialkyl ethers, such as diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether, and diethylene glycol dibutyl ether; propylene glycol monoalkyl, such as propylene glycol monomethyl ether (PGME), propylene glycol monoethyl ether, and propylene glycol monopropyl ether Ethers; ethylene glycol alkyl ether acetates, such as methyl cellosolve acetate and ethyl cellosolve acetate; propylene glycols, such as propylene glycol monomethyl ether acetate (PGMEA), propylene glycol monoethyl ether acetate, and propylene glycol monopropyl ether acetate Alkyl ether acetates; ketones, such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone, and cyclohexanone; alcohols, such as ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, triethene glycol, and glycerin; ethyl Esters such as 3-ethoxypropionate, methyl 3-methoxypropionate, and ethyl lactate; and cyclic esters such as gamma-butyro-lactone; chloroform, dichloromethane, chlorobenzene, trimethylbenzene, e.g. 1,3,5 -Trimethylbenzene, 1,2,4-trimethylbenzene, 1,2,3-trimethylbenzene, dodecylbenzene, cyclohexylbenzene, 1,2,3,4-tetramethylbenzene, 1,2,3,5-tetramethyl Chlorinated hydrocarbons, such as benzene, 3-isopropylbiphenyl, 3-methylbiphenyl, 4-methylbiphenyl, and dichlorobenzene, preferably the solvent is propylene glycol alkyl ether acetate, alkyl acetate, ethylene glycol monoalkyl The composition of any one of embodiments 1 to 16, which is an ether, propylene glycol, and propylene glycol monoalkyl ether.

18. at least a (meth)acrylate monomer represented by formula (I), a (meth)acrylate monomer represented by formula (II), and a polymer, the polymer comprising scattering particles in the composition. The mixing ratio of (meth)acrylate monomer represented by chemical formula (I): (meth)acrylate monomer represented by chemical formula (II): polymer is , 10:89:1 to 50:40:10, preferably 15:82:3 to 30:60:10.

19. at least a (meth)acrylate monomer represented by formula (III), a (meth)acrylate monomer represented by formula (II), and a polymer, the polymer comprising scattering particles in the composition. The mixing ratio of (meth)acrylate monomer represented by chemical formula (III): (meth)acrylate monomer represented by chemical formula (II): polymer is , 10:89:1 to 50:40:10, preferably 15:82:3 to 30:60:10.

20. A composition comprising a polymer derived from or derivable from one or more of the reactive monomers of the composition of any one of embodiments 1 to 19, preferably that is obtained or obtained by curing the composition. be able to.

twenty one. A process for making a composition according to any one of embodiments 1 to 19, comprising at least the following steps Y1 and Y2, preferably in this order or Y3;
Y1) mixing at least one light-emitting moiety and a reactive monomer to form a first composition;
Y2) The first composition comprises at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a carbon By mixing with chemical compounds containing straight-chain or branched alkoxyl groups having from 1 to 45 atoms (preferably the carbon atoms of the alkyl, alkenyl and/or alkoxy groups are from 10 to 35 , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably said alkyl, alkenyl and/or or an alkoxy group may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain has at least one carbon- Contains carbon double bonds, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. containing carbon double bonds), forming a composition; or
Y3) At least one light-emitting moiety and a reactive monomer can be combined with at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkyl group having 1 to 45 carbon atoms, by mixing with a chemical compound containing an alkenyl group or a straight-chain or branched alkoxyl group having 1 to 45 carbon atoms (preferably said carbon atom of an alkyl, alkenyl, and/or alkoxy group). ranges from 10 to 35, more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, and preferably the alkyl The groups alkenyl and/or alkoxy groups may be substituted or unsubstituted, preferably the chemical compound contains at least one straight-chain or branched alkyl group, where the chain is , at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably containing 1 to 2 carbon-carbon double bonds), forming a composition.

twenty two. Use of the composition of any one of the preceding embodiments in an electronic, optical, sensing device, or in or for making an electronic, sensing, optical, or biomedical device.

twenty three. A layer containing the composition of embodiment 20.

twenty four. at least;
I) a (meth)acrylate monomer (preferably it is or can be obtained from a reactive monomer in the composition of any one of embodiments 1 to 19);
II) light emitting part; and
III) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, to form a composition; or a straight-chain or branched alkoxyl group having from 1 to 45 carbon atoms, preferably the alkyl, alkenyl and/or alkoxy group has from 10 to 35 carbon atoms. , more preferably from 14 to 30, even more preferably from 16 to 28, even more preferably from 19 to 26, preferably said alkyl, alkenyl and/or or an alkoxy group may be substituted or unsubstituted, preferably the chemical compound contains at least one straight or branched alkyl group, wherein the chain has at least one carbon- Contains carbon double bonds, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds. A layer containing said chemical compound containing carbon double bonds.

twenty five. A layer according to embodiment 23 or 24, wherein the layer thickness of the layer is in the range from 1 to 50 um, preferably from 5 to 15, more preferably from 8 to 15, even more preferably from 8 to 12 um.

26. The process includes at least the following steps;
I) providing the composition of any one of embodiments 1 to 19 onto a substrate;
II) curing the composition (preferably said curing is carried out by light irradiation and/or heat treatment)
A process for fabricating the layer of any one of embodiments 23-25, comprising:

27. A layer obtained or obtainable from the process of embodiment 26.

28. a first pixel (161) partially or completely filled with a layer according to any one of claims 23 to 25 and 27, comprising at least a matrix material (120) containing a light emitting part (110); and a bank (150) comprising at least a polymeric material, preferably the color conversion device (100) further comprises a support medium (170).

29. The device (100) of embodiment 28, wherein the height of the bank (150) ranges from 0.1 to 100 μm, preferably from 1 to 50 μm, more preferably from 1 to 25 μm, even more preferably from 5 to 20 μm.

30. Device (100) according to embodiment 28 or 29, wherein the layer thickness of the pixel (161) is in the range from 0.1 to 100 μm, preferably from 1 to 50 μm, more preferably from 5 to 25 μm.

31. The device (100) according to any one of aspects 28 to 30, further comprising a second pixel (162), preferably the device (100) comprises at least the first pixel (161), the second pixel ( 162), and a third pixel (163), more preferably, the first pixel (161) is a red pixel, the second pixel (162) is a green pixel, and the third pixel (163) is a blue pixel; even more preferably, the first pixel (161) contains a red light emitting part (110R), the second color pixel (162) contains a green light emitting part (110G), and The third pixel (163) does not contain any light emitting portion.

32. At least one pixel (160) additionally includes at least one light scattering particle (130) in the matrix material (120), preferably the pixel (160) contains a plurality of light scattering particles (130). , the device according to any one of aspects 28 to 31 (100).

33. The first pixel (161) is composed of one pixel or two or more sub-pixels configured to emit red color when irradiated with excitation light, and more preferably, the sub-pixels are composed of the same light-emitting part. The device (100) of any one of embodiments 28-32, comprising (110).

34. The banks (150) are configured to determine the area of the first pixels (161), and at least some of the banks (150) are in direct contact with at least some of the first pixels (161). The device (100) of any one of embodiments 28 to 33, wherein the second polymer of the bank (150) is in direct contact with the first polymer of at least a portion of the first pixel (161). .

35. The bank (150) is patterned by photolithography, and the first pixel (161) is surrounded by the bank (150), preferably, the first pixel (161), the second pixel ( 162), and the third pixel (163) are all surrounded by a photolithographically patterned bank (150).

36. Use of a composition according to any one of embodiments 1 to 19 for fabricating a layer according to any one of embodiments 23 to 25, 27 or a device (100) according to any one of embodiments 28 to 35.

37. A method for making a color conversion device (100) according to any one of embodiments 28 to 35, comprising at least the following steps, preferably in this order:
Xi) providing the bank composition onto the surface of the support medium;
xii) curing the bank composition;
xiii) applying photopatterning to the cured composition to create banks and patterned pixel areas;
xiv) providing a composition according to any one of aspects 1 to 19 to at least one pixel area, preferably by ink jetting;
Xv) Curing the composition. Preferably, the color conversion device (100) further contains a support medium (170).

38. A color conversion device (100) obtainable or obtainable from the method of embodiment 37.

39. at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light; and a color conversion device (100) of any one of embodiments 28-35. Containing, optical device (300).

Technical Effects of the Invention Improved homogeneous dispersion of luminescent moieties in the composition, improved homogeneous dispersion of scattering particles in the composition, preferably improved uniform dispersion of both luminescent particles and scattering particles. Homogeneous dispersions, more preferably solvent-free improved homogeneous dispersions of emitters and/or scattering particles; compositions with lower viscosity suitable for inkjet printing, preferably high loading emitters and/or scattering particles; or compositions that can maintain a lower viscosity even when mixed with scattering particles, even more preferably without solvent; compositions that have a lower vapor pressure for uniform printing over large areas; New compositions, improved QY and/or EQE of the emissive part in the composition, improved QY and/or EQE of the emissive part after printing, achieving no residue around the inkjet printing nozzle during/after inkjet printing. QY and/or EQE; improved thermal stability; ease of printing without clogging in the printing nozzle; ease of handling the composition, improved printing properties; simple fabrication process; improved blue light absorbance; improved solidity of layers made from the composition after inkjet printing;

Examples 1-7 below provide a description of the invention as well as a detailed description of their fabrication.

Example
Example 1: Preparation of TiO2 stock _in lauryl acrylate (LA)
15.79 g of TiO ₂ in n-octane is mixed with 38.00 g of LA in a glass flask and the n-octane in the mixture is evaporated by rotary evaporator under vacuum at 40 degrees C. Thus, a 20 wt.% TiO ₂ stock in LA is obtained.

Example 2 : Preparation of red QD ink with erucic acid (erucic acid/QD _inorg. weight ratio=0.14)
1,6-hexanediol diacrylate (HDDA) and lauryl acrylate (LA) are stored over molecular sieves prior to use.
1.500 g TiO ₂ stock in LA from Example 1, 1.956 g LA, 0.774 g HDDA, 5.000 g InP-based red QDs in n-heptane, and 0.180 g erucic acid in a glass flask. Mix with The mixture is stirred for 2 hours at 40° C. under N ₂ atmosphere, and then the n-octane in the mixture is evaporated by a rotary evaporator at 40° C. under vacuum. To this mixture, 0.060g of Omnirad(TM) 819 and 0.030g of Irganox(TM) 1010 were added and the mixture was stirred at room temperature until the ink was homogeneous, thus producing a red color with the composition shown in the table below. QD ink is obtained.

Example 3 : Preparation of red QD ink with nervonic acid (nervonic acid/QD _inorg. weight ratio=0.14)
1.500 g TiO ₂ stock in LA from Example 1, 1.956 g LA, 0.774 g HDDA, 5.000 g InP-based red QDs in n-heptane, and 0.180 g nervonic acid in a glass flask. Mix with The mixture is stirred for 2 hours at 40° C. under N ₂ atmosphere, and then the n-octane in the mixture is evaporated by a rotary evaporator at 40° C. under vacuum. To this mixture, 0.060g of Omnirad(TM) 819 and 0.030g of Irganox(TM) 1010 were added and the mixture was stirred at room temperature until the ink was homogeneous, thus producing red QDs with the composition shown in the table below. Ink is obtained.

Example 4 : Preparation of red QD ink with erucic acid (erucic acid/QD _inorg. weight ratio = 0.14, QD 30%, TiO ₂ 7%)
4.886 g InP-based red QDs and 0.180 g erucic acid in n-heptane are mixed in a glass flask and the mixture is stirred at 40 degrees C for 2 hours under _N2 atmosphere. To the mixture are added 1.750 g TiO ₂ stock in LA obtained in Example 1, 0.930 g LA, 0.565 g HDDA, and then the solvent in the mixture is evaporated by rotary evaporator under vacuum at 40° C. To this mixture, 0.050 g Omnirad 819 and 0.025 g Irganox 1010 are added and the mixture is stirred at room temperature until the ink is homogeneous, thus obtaining a red QD ink with the composition shown in the table below.

Example 5 : Nozzle plate wetting test
Perform the nozzle plate wetting test as described below.
The QD ink obtained in Example 2 is dripped onto the nozzle plate of a print head (Dimatix DMP-2831 material printer, Fuji film), and the dripped ink is then removed by sucking it into a cleaning pad. Visually observe the cleanliness of the surface on the nozzle plate.

result
QD ink is well repelled on the nozzle plate. The surface of the nozzle plate is very clean after cleaning with the pad. During inkjet printing, the ink compositions of the present invention do not cause clogging, do not remain around the nozzle of the inkjet machine, do not remain on or around the nozzle surface, and are transferred onto the substrate. It is indicated that the ink can be ejected smoothly.

Reference example 1: Preparation of TiO2 stock _in lauryl acrylate (LA)
15.79 g of TiO ₂ in n-octane is mixed with 38.00 g of LA in a glass flask and the n-octane in the mixture is evaporated by rotary evaporator under vacuum at 40 degrees C. Thus, a 20wt.% TiO ₂ stock in LA is obtained.

Reference Example 2: Ligand Exchange of Red QD Ink with Oleic Acid 6.0 g of InP-based red QDs in heptane are placed in a glass flask, and then the heptane is evaporated by a rotary evaporator under vacuum at 40 degrees C. Dissolve the dried QDs in 12.6 ml of anhydrous THF and add 0.4 ml of oleic acid to the solution. The mixture is heated to reflux under _N2 atmosphere for 2 hours. After cooling the solution, red QDs are precipitated by adding 60 ml of dry acetone. The turbid solution is then centrifuged at 6,000G for 5 minutes, and the supernatant is gently transferred. Complete drying of the pellet under vacuum yields 1.23 g of purified red QD powder. Dissolve this purified red QD powder in 3.51 g of dry n-octane to prepare a 26 wt.% stock solution in n-octane.

Reference example 3: Preparation of red QD ink with oleic acid (OA/QD _inorg. weight ratio = 0.07, QD 25%, TiO ₂ 5%)
0.910 g TiO ₂ stock in LA obtained in Reference Example 1-1, 1.274 g LA, 0.491 g HDDA, 3.500 g red QDs in n-octane obtained in Reference Example 1-2, Mix in a glass flask and evaporate the n-octane in the mixture by rotary evaporator under vacuum at 40 degrees Celsius. To this mixture, 0.036 g Omnirad 819 and 0.018 g Irganox 1010 are added and the mixture is stirred at room temperature until the ink is homogeneous, thus obtaining a red QD ink with the composition shown in the table below.

Reference Example 2 : Nozzle plate wetting test A nozzle plate wetting test is carried out as described below.
The QD ink obtained in Reference Example 3 is dripped onto a nozzle plate of a print head (Dimatix DMP-2831 material printer, Fuji film), and then the dripped ink is removed by being sucked into a cleaning pad. Visually observe the cleanliness of the surface on the nozzle plate.

result
QD ink residue remains on the surface of the nozzle plate after cleaning.

Example 6 : Fabrication of test cell and EQE measurement The QD ink obtained in Example 2 is injected into a test cell with a gap of 10 mm.
The resulting six test cells containing QD Ink A were then photocured by irradiating each other with UV light at various curing time conditions to produce cured ink in the test cells.

●UV intensity: 300mW/cm ²
●Light source: 395nm LED (peak light wavelength: 395nm)
●Under _N2 conditions ( _O2 : 0.1%) ●Curing time: 10 seconds.

EQE measurements are performed by optical fiber (CWL: 450 nm) and spectrometer (USB4000, Ocean Optics) using an integrating sphere with excitation light. Air is used as a reference at room temperature to detect photons of excitation light.
The number of photons of light emission from the cell to the integrating sphere is counted by a spectrometer at room temperature.
EQE is calculated using the following calculation method.
EQE=photon [emission light]/photon [excitation light]

Wavelength range for calculation Excitation: 430nm to 470nm
Radiation: [Red] 560nm ~ 680nm
As a result, an EQE value of 32.7% is obtained.

Example 7 : Dispersibility test The red QD ink obtained in Example 2 and the red QD ink obtained in Reference Example 3 are stored at room temperature under atmospheric conditions.
The red QD ink of Example 2 (QDs with erucic acid) exhibits superior dispersibility compared to red QDs with oleic acid or red QDs without any added ligands.

In the red QD ink with erucic acid, the QDs are ideally dispersed in the monomer mixture in which _TiO2 particles are present for at least one month. On the other hand, the red QD ink with oleic acid in Reference Example 3 produced some precipitates after a week, and the red QDs without added ligands were not present in the acrylate monomer mixture even without _TiO2 particles. , not completely dispersed.

Claims (18)

at least;
i) reactive monomer;
ii) light emitting part; and
iii) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms; A composition comprising a chemical compound containing straight or branched alkoxyl groups, preferably comprising a photocurable composition. at least;
L) reactive monomer;
L2) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched alkenyl group having 1 to 45 carbon atoms; a light emitting moiety containing at least one ligand comprising a branched alkoxyl group having 45; and
L3) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms A composition comprising a chemical compound containing straight or branched alkoxyl groups, preferably comprising a photocurable composition. Claim 1 or 2, wherein the number of carbon atoms of the alkyl group, alkenyl group, or alkoxy group of the ligand with respect to the number of carbon atoms of the alkyl group, alkenyl group, or alkoxy group of the chemical compound satisfies the following formula (Q). The composition described in .
Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the ligand < Number of carbon atoms in the alkyl, alkenyl, or alkoxy group of the chemical compound - (Q) The chemical compound is one of the members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amines, carboxyl groups, heterocyclic groups, silane groups, sulfonic acids, hydroxyl groups, phosphonic acids. It further comprises at least one group selected from the above, preferably the group is a phosphate group, a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group. A composition according to any one of claims 1 to 3, wherein the composition is: A chemical compound has the following chemical formula (X ^A )
ZY - (X ^A )
is represented by, in the formula
Z is *-R ^x1 or
However, here "*" represents the connection point to the symbol Y in the formula, and R ^x1 is a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a hetero A group selected from one or more members of the group consisting of a ring group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, and preferably the group is a phosphonate group, a thiol group, a carboxyl group, or any of these. more preferably it is a carboxyl group; and
R ^x2 is one or more members of the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid. is a group selected from;
Y is a straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight-chain or branched chain having 1 to 45 carbon atoms. a branched alkoxyl group, said alkyl group, alkenyl group, and/or alkoxy group may be substituted or unsubstituted, more preferably said alkyl group, alkenyl group, and/or alkoxy group may be substituted by one or more radicals R ^a , where one or more non-adjacent CH ₂ groups are R ^a C=CR ^a , C≡C, Si(R ^a ) ₂ , Ge(R ^a ) ₂ , Sn(R ^a ) ₂ , C=O, C=S, C=Se, C=NR ^a , P(=O)(R ^a ), SO, SO2, NR ^a , OS, or CONR ^a may be replaced, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN, or _NO2 ;
R ^a on each occurrence, identically or differently, is H, D or an alkyl group having from 1 to 20 carbon atoms, a cyclic alkyl or alkoxy group having from 3 to 40 carbon atoms, from 5 to an aromatic ring system with 60 carbon ring atoms or a heteroaromatic ring system with 5 to 60 carbon atoms, in which the H atom is replaced by D, F, Cl, Br, I even two or more adjacent substituents R ^a may here also form together a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system;
where Y contains at least one carbon-carbon double bond,
5. A composition according to any one of claims 1 or 4. Composition according to any one of claims 1 to 5, wherein the ratio of total weight of chemical compounds:total weight of luminescent parts is in the range of 0.6:40 to 1:3. Claims 1 to 6, wherein the reactive monomer is a (meth)acrylate monomer selected from mono-(meth)acrylate monomers, di-(meth)acrylate monomers, or tri-(meth)acrylate monomers. The composition according to any one of the above. further comprising a (meth)acrylate monomer represented by the following chemical formula (I) and/or a (meth)acrylate monomer represented by the chemical formula (III);
During the ceremony
X ¹ is an unsubstituted or substituted alkyl group, an aryl group, or an alkoxy group or an ester group;
X ² is an unsubstituted or substituted alkyl group, an aryl group, or an alkoxy group or an ester group;
R ¹ is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ² is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;
R ³ is a linear alkylene or alkoxylene chain with 1 to 25 carbon atoms, a cycloalkane with 3 to 25 carbon atoms, or an aryl group with 3 to 25 carbon atoms ;
During the ceremony
R ⁹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (IV)

is a (meth)acrylic group represented by;
R ¹⁰ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (V)
is a (meth)acrylic group represented by;
R ¹¹ is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a chemical formula (VI)
is a (meth)acrylic group represented by;
where R ⁸ , R ^8a , R ^8b and R ^8c are each independently or dependently on each other at each occurrence H or CH ₃ ;
At least one of R ⁹ , R ¹⁰ , and R ¹¹ is a (meth)acrylic group, and preferably two of R ⁹ , R ¹⁰ , and R ¹¹ are (meth)acrylic groups. , and the other one is a hydrogen atom or a linear alkyl group having 1 to 25 carbon atoms,
Composition according to any one of claims 1 to 7. a (meth)acrylate monomer of formula (II) is present in the composition, and a (meth)acrylate monomer of formula (I): a (meth)acrylate monomer of formula (II); Composition according to any one of claims 1 to 8, wherein the mixing ratio of the late monomers is in the range from 1:99 to 99:1 (formula (I):formula (II)). The composition according to any one of claims 1 to 9, wherein the (meth)acrylate monomer represented by chemical formula (I) and/or chemical formula (II) has a boiling point (B.P.) of 250°C or higher. . The composition according to any one of claims 1 to 10, wherein the viscosity of the composition is 35 cP or less at room temperature. The composition according to any one of claims 1 to 11 comprises:
iii) another light emitting part different from the light emitting part according to any one of claims 1 to 11;
iv) another (meth)acrylate monomer;
v) scattering particles, and
vi) said composition comprising another material selected from one or more members of the group consisting of optically transparent polymers, antioxidants, radical quenchers, photoinitiators, and/or surfactants. The composition according to any one of claims 1 to 11,
v) scattering particles; and
vii) at least one polymer configured to enable scattering particles to be dispersed in the composition;
wherein the polymer is at least a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, a phosphonic acid, or a combination thereof. preferably the polymer contains a tertiary amine, a phosphine oxide group, a phosphonic acid, or a phosphate group.
The composition comprising: 14. A composition according to any one of claims 1 to 13, wherein the composition comprises 10 wt% or less of solvent, based on the total amount of the composition. A composition comprising a polymer derived or derivable from one or more of the reactive monomers of the composition according to any one of claims 1 to 14. at least;
I) (meth)acrylate polymer;
II) light emitting part; and
III) at least one straight-chain or branched alkyl group having 1 to 45 carbon atoms, a straight-chain or branched alkenyl group having 1 to 45 carbon atoms, or at least one straight-chain or branched alkenyl group having 1 to 45 carbon atoms; A layer containing a chemical compound containing straight-chain or branched alkoxyl groups. a first pixel (161) partially or fully filled with a layer according to claim 16 comprising a matrix material (120) containing at least a light emitting part (110); and a bank (150) comprising at least a polymeric material. and a color conversion device (100). at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light and a color conversion device according to any one of claims 17 to 18. (100) An optical device (300) containing.